fix my previously bogus MAKEDEVs.
If you used pf on a non-i386. the major device number has changed,
and you'll need to recreate /dev/pf
ok theo

o no longer install passwd.conf (but it is used if it exists and the
needed info is not in login.conf)
o added passwordtime and minpasswordlen login.conf variables

patch from Yozo TODA <yozo@imit.chiba-u.ac.jp>, deraadt@ ok.

uncommented; niels@ theo@ ok.

--
Reported by & fix tested by: Denis A. Doroshenko <d.doroshenko@omnitel.net>

with two swapctl invocations.
Swap on block devices is enabled before fscking filesystems, swap on
files is enabled after all filesystems (including remote) are mounted.

licence in a way that makes ipf not free according to the rules we
established over 5 years ago, at www.openbsd.org/goals.html (and those
same basic rules govern the other *BSD projects too).  Specifically,
Darren says that modified versions are not permitted.  But software
which OpenBSD uses and redistributes must be free to all (be they
people or companies), for any purpose they wish to use it, including
modification, use, peeing on, or even integration into baby mulching
machines or atomic bombs to be dropped on Australia.  Furthermore, we
know of a number of companies using ipf with modification like us, who
are now in the same situation, and we hope that some of them will work
with us to fill this gap that now exists in OpenBSD (temporarily, we
hope).

if we fail" semantics and extends to two varients of data movement: mbuf,
or an iovec style block.